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What is “gradient descent” in machine learning? a) An optimization algorithm used to minimize the loss function b) A method to reduce the size of the dataset c) A technique for splitting data into train and test sets d) A regularization technique used in neural networks Answer: a) An optimization algorithm used to minimize the […]

What is “regularization” in machine learning? a) A technique to prevent overfitting by adding a penalty to the model complexity b) A technique to reduce the size of the training dataset c) A method to boost the performance of decision trees d) A process of validating models using test data Answer: a) A technique to

What is a support vector machine (SVM) in machine learning? a) A supervised learning model used for classification and regression tasks b) An unsupervised learning model used for clustering c) A model used to reduce the dimensionality of data d) A model used for time series forecasting Answer: a) A supervised learning model used for

What is the primary goal of unsupervised learning? a) To find hidden patterns in data b) To classify data into predefined categories c) To predict outcomes based on labeled data d) To reinforce decisions made by agents Answer: a) To find hidden patterns in data Explanation: Unsupervised learning focuses on finding hidden patterns or structures

What is a decision tree in machine learning? a) A flowchart-like structure used for classification and regression b) A neural network-based model c) A method for optimizing algorithms d) A clustering algorithm Answer: a) A flowchart-like structure used for classification and regression Explanation: A decision tree is a machine learning model that uses a flowchart-like

What is the main purpose of cross-validation in machine learning? a) To evaluate the performance of a model on unseen data b) To reduce the size of the dataset c) To generate more data for training d) To choose the features for the model Answer: a) To evaluate the performance of a model on unseen

What is overfitting in machine learning? a) When a model performs well on training data but poorly on unseen data b) When a model performs well on both training and test data c) When a model fails to learn from training data d) When a model generalizes well to all datasets Answer: a) When a

What is a “neuron” in an artificial neural network? a) A computational unit that processes inputs and generates an output b) A memory storage unit c) A connection between two layers d) A feature selection technique Answer: a) A computational unit that processes inputs and generates an output Explanation: In an artificial neural network (ANN),

What is unsupervised learning in AI? a) Learning from data without labels b) Learning from labeled data c) Learning from reinforcement signals d) Learning from predefined rules Answer: a) Learning from data without labels Explanation: Unsupervised learning is a type of machine learning where the model learns from data that does not have labeled outputs.

What is supervised learning in AI? a) Learning from labeled data b) Learning without labeled data c) Learning by trial and error d) Learning from expert systems Answer: a) Learning from labeled data Explanation: Supervised learning is a type of machine learning where the model is trained on labeled data. Each input is paired with

What is the role of a “loss function” in machine learning? a) To measure the error or difference between the predicted output and the actual output b) To increase the accuracy of the model c) To manage the training dataset d) To split data into training and test sets Answer: a) To measure the error

Which algorithm is commonly used in decision-making processes in AI? a) Decision Trees b) Sorting algorithms c) Hashing algorithms d) Searching algorithms Answer: a) Decision Trees Explanation: Decision Trees are commonly used algorithms in AI for decision-making processes. A decision tree is a flowchart-like structure where internal nodes represent decisions based on features, branches represent

What is a neural network in AI? a) A type of machine learning model inspired by the human brain b) A database management system c) A method to reduce noise in images d) A tool to manage computer networks Answer: a) A type of machine-learning model inspired by the human brain Explanation: A neural network

In AI, what is reinforcement learning? a) A type of learning where an agent learns by interacting with its environment and receiving feedback b) A supervised learning technique c) A method of clustering data d) A way to reduce the dimensions of data Answer: a) A type of learning where an agent learns by interacting

What is the main purpose of the Turing Test in AI? a) To determine if a machine can exhibit intelligent behavior indistinguishable from a human b) To test the performance of machine learning algorithms c) To measure the accuracy of speech recognition systems d) To evaluate the speed of data processing in AI models Answer:

What does the term “deep learning” refer to in AI? a) A machine learning technique based on neural networks with many layers b) A shallow neural network used in basic AI applications c) An advanced form of decision trees d) A technique for analyzing large datasets without supervision Answer: a) A machine learning technique based

In Machine Learning, what is “overfitting”? a) When a model learns the training data too well, including noise b) When a model generalizes perfectly to new data c) When a model underperforms on both training and test data d) When a model is too simple for the data Answer: a) When a model learns the

Which of the following is an application of Natural Language Processing (NLP) in AI? a) Speech recognition b) Database querying c) Network configuration d) Web development Answer: a) Speech recognition Explanation: Natural Language Processing (NLP) is a subfield of AI focused on the interaction between computers and human language. NLP helps machines understand, interpret, and

Which of the following is a subfield of Artificial Intelligence? a) Machine Learning b) Computer Networking c) Operating Systems d) Database Management Systems Answer: a) Machine Learning Explanation: Machine Learning (ML) is a subset of Artificial Intelligence (AI) that focuses on enabling machines to learn from data without being explicitly programmed. In ML, algorithms analyze

What is Artificial Intelligence? a) A subset of machine learning b) The study of how to create machines capable of performing tasks that require human intelligence c) Programming languages like Python and Java d) Data analysis using statistical methods Answer: b) The study of how to create machines capable of performing tasks that require human